CN111947461A - Heating constant temperature device capable of automatically feeding and discharging ash - Google Patents
Heating constant temperature device capable of automatically feeding and discharging ash Download PDFInfo
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- CN111947461A CN111947461A CN202010884207.5A CN202010884207A CN111947461A CN 111947461 A CN111947461 A CN 111947461A CN 202010884207 A CN202010884207 A CN 202010884207A CN 111947461 A CN111947461 A CN 111947461A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 76
- 238000007599 discharging Methods 0.000 title claims abstract description 30
- 239000010453 quartz Substances 0.000 claims abstract description 58
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000000919 ceramic Substances 0.000 claims abstract description 54
- 239000007789 gas Substances 0.000 claims abstract description 36
- 238000004458 analytical method Methods 0.000 claims abstract description 34
- 239000012159 carrier gas Substances 0.000 claims abstract description 27
- 238000002347 injection Methods 0.000 claims abstract description 13
- 239000007924 injection Substances 0.000 claims abstract description 13
- 239000000523 sample Substances 0.000 claims description 135
- 238000001816 cooling Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 4
- 238000005070 sampling Methods 0.000 description 18
- 239000000428 dust Substances 0.000 description 13
- 238000012360 testing method Methods 0.000 description 12
- 239000002826 coolant Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 238000012863 analytical testing Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910003480 inorganic solid Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
- F27B17/02—Furnaces of a kind not covered by any preceding group specially designed for laboratory use
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/12—Casings; Linings; Walls; Roofs incorporating cooling arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/02—Ohmic resistance heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0073—Seals
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The invention discloses a heating constant temperature device capable of automatically feeding and discharging samples, which comprises a furnace body and a sample feeder, wherein a heating component and a quartz sample tube are arranged in the furnace body, the sample feeder comprises a crucible, a ceramic column and a sample feeding base, the crucible is arranged at the top of the ceramic column, the ceramic column is arranged in an inner cavity of the sample feeding base, a sample can be contained in the crucible, the sample feeding base is arranged at the bottom of the furnace body, the sample feeding base is connected with a first driver, the first driver can drive the sample feeding base to reciprocate along the vertical direction, the sample feeding base can be abutted against the quartz sample tube, the ceramic column is connected with a second driver, the second driver can drive the ceramic column to reciprocate along the vertical direction, and the ceramic column can extend into the quartz sample; the furnace body is provided with an analysis gas outlet and a carrier gas inlet, the analysis gas outlet and the carrier gas inlet are both communicated with the quartz sample tube, a gap is formed between the ceramic column and the inner wall of the sample injection base to form an ash discharge port, and the ash discharge port is communicated with the quartz sample tube.
Description
Technical Field
The invention relates to the technical field of gas element analysis and test of solid inorganic materials, in particular to a heating constant temperature device capable of automatically feeding and discharging ash.
Background
Inorganic solid materials (including metal and non-metal materials) are generally decomposed or oxidized into gas components by heating when being tested and analyzed for the content of certain element components, and then the content of the generated gas is tested. Traditional elema tubular furnace, not only the cooling rate that heaies up is slow, and can't realize needing different temperature control modes such as segmentation, slope, ladder in practical application, when traditional high temperature tubular furnace is used for test analysis sample gas to draw, because of the stove need be in the high temperature state always, causes gaseous element to volatilize in the twinkling of an eye when advancing the appearance, and brings the test data poor stability. Some high-frequency furnaces are also adopted, and the high-frequency furnace has the defect that the decomposition of a non-metal sample is very unstable. The electric arc furnace and the electrode pulse furnace also have the defects of incapability of accurately keeping constant temperature and small sample injection amount (less than 1 g). In addition, the existing equipment is heated after sample introduction, so that the existing equipment cannot be used for accurately testing the release rate at a specific temperature. When the above-described apparatus is used for analytical testing by means of thermal decomposition, these defects have a direct effect on the test data. Secondly, most of the traditional silicon carbide rod tube furnaces adopt an open sample bin, negative pressure analysis gas enters an infrared detector in a mode of pumping through a sampling pump to measure the content of the gas to be measured, so that the analysis time is long, the signal peak is short, the influence of a noise signal background on a test result is increased, and the test precision is reduced.
Therefore, how to change the current situation of poor test accuracy caused by the open sample chamber of the heating device in the prior art becomes a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a heating constant temperature device capable of automatically feeding and discharging ash, which is used for solving the problems in the prior art, improving the working efficiency of a heating device and improving the subsequent testing precision.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a heating constant temperature device capable of automatically feeding and discharging samples, which comprises a furnace body and a sample feeder, wherein a heating assembly and a quartz sample tube are arranged in the furnace body, the sample feeder comprises a crucible, a ceramic column and a sample feeding base, the crucible is arranged at the top of the ceramic column, the ceramic column is arranged in an inner cavity of the sample feeding base, a sample can be contained in the crucible, the sample feeding base is arranged at the bottom of the furnace body and is connected with a first driver, the first driver can drive the sample feeding base to reciprocate in the vertical direction, the sample feeding base can be abutted against the quartz sample tube, the ceramic column is connected with a second driver, the second driver can drive the ceramic column to reciprocate in the vertical direction, and the ceramic column can extend into the quartz sample tube; the furnace body has analysis gas export and carrier gas import, analysis gas export with the carrier gas import all with quartz sample tube is linked together, the ceramic column with have the clearance between the inner wall of advancing the appearance base and form the ash discharge mouth, the ash discharge mouth with quartz sample tube is linked together.
Preferably, the heating assembly comprises an infrared heating element and a reflector, the infrared heating element is arranged between the inner wall of the furnace body and the quartz sample tube, the reflector is arranged on the inner wall of the furnace body, and the reflector can reflect infrared light emitted by the infrared heating element into the quartz sample tube.
Preferably, the quartz sample tube and the furnace body are coaxially arranged, the number of the infrared heating elements is four, and the four infrared heating elements are uniformly distributed in a circumferential manner around the axis of the quartz sample tube; and a temperature sensor is arranged on the side wall of the furnace body, and a probe of the temperature sensor is positioned between the infrared heating element and the quartz sample tube.
Preferably, but the heating constant temperature equipment of autoinjection, ash discharge, still include fixed frame and fixed plate, the furnace body with first driver set up in on the fixed frame, first driver with the fixed plate links to each other, the sample injector with the second driver set up in on the fixed plate, the sample injector slidable with the fixed frame links to each other, ceramic post slidable with the fixed plate links to each other.
Preferably, the number of the first drivers is two, the two first drivers are arranged on two opposite sides of the furnace body, and the first drivers and the second drivers are both air cylinders.
Preferably, the top of the furnace body is connected with a furnace head, and the analysis gas outlet and the carrier gas inlet are both arranged on the furnace head.
Preferably, a cooling circulation pipeline is arranged in the side walls of the furnace head and the furnace body, and the cooling circulation pipeline can be communicated with an external cooling medium.
Preferably, a sealing element is arranged between the sample introduction base and the quartz sample tube.
Preferably, the crucible is detachably connected with the ceramic column.
Compared with the prior art, the invention has the following technical effects: the heating constant temperature device capable of automatically sampling and discharging ash comprises a furnace body and a sampler, wherein a heating component and a quartz sample tube are arranged in the furnace body, the sampler comprises a crucible, a ceramic column and a sampling base, the crucible is arranged at the top of the ceramic column, the ceramic column is arranged in an inner cavity of the sampling base, a sample can be contained in the crucible, the sampling base is arranged at the bottom of the furnace body, the sampling base is connected with a first driver, the first driver can drive the sampling base to reciprocate along the vertical direction, the sampling base can be abutted against the quartz sample tube, the ceramic column is connected with a second driver, the second driver can drive the ceramic column to reciprocate along the vertical direction, and the ceramic column can extend into the quartz sample tube; the furnace body is provided with an analysis gas outlet and a carrier gas inlet, the analysis gas outlet and the carrier gas inlet are both communicated with the quartz sample tube, a gap is formed between the ceramic column and the inner wall of the sample injection base to form an ash discharge port, and the ash discharge port is communicated with the quartz sample tube. When the heating constant temperature device capable of automatically feeding and discharging the sample works, the first driver drives the sample feeder to move towards the direction far away from the furnace body, so that the crucible is positioned at the top end of the ceramic column, when analysis is started, the first driver drives the sample feeding base to move towards the furnace body, the sample base is abutted with the quartz sample tube, an external gas source simultaneously feeds carrier gas into the quartz sample tube through the carrier gas inlet and the ash discharging port, the heating component heats the sample, when the temperature in the furnace body is stabilized at a set target value, the second driver drives the ceramic column to ascend, the sample in the crucible is fed into the quartz sample tube and positioned at the central line position of the furnace body, the heating is carried out, and the released gas to be detected and the carrier gas are fed into the instrument through the analysis gas; after the analysis of the sample is finished, the second driver drives the ceramic column and the crucible to descend, the sample returns, the external air source blows air into the furnace body through the analysis gas outlet to pressurize the furnace body, dust is discharged from the ash discharge port, the first driver drives the sample injector to move towards the direction far away from the furnace body, and the sample is taken out. According to the heating constant temperature device capable of automatically sampling and discharging ash, the quartz sample tube is sealed before sampling, so that negative pressure is changed into positive pressure, airflow is stable, a reference signal in a carrier gas environment is collected before sampling, and a sample is sent into a heating area in a furnace body by the sample injector in a closed environment after the temperature in the furnace body is stable, so that signal fluctuation caused by airflow fluctuation caused by sampling in a negative pressure state in the prior art is greatly reduced, the integral efficiency of a positive pressure gas path can be improved by 10 times, the signal integral peak is more perfect, and the test precision is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of a heating thermostat capable of automatically feeding and discharging ash according to the present invention;
FIG. 2 is a schematic view of a sectional structure of the thermostatic heating device capable of automatically feeding and discharging the sample and ash;
FIG. 3 is a schematic view of a cutting structure of a crucible of the thermostatic heating device capable of automatically feeding and discharging the sample and ash;
the device comprises a furnace body 1, a sample injector 2, a heating component 3, a quartz sample tube 4, a crucible 5, a ceramic column 6, a sample injection base 7, a first driver 8, a second driver 9, an analysis gas outlet 10, a carrier gas inlet 11, an ash discharge port 12, a temperature sensor 13, a fixed frame 14, a fixed plate 15 and a furnace end 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a heating constant temperature device capable of automatically feeding and discharging ash, which is used for solving the problems in the prior art, improving the working efficiency of a heating device and improving the subsequent testing precision.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-3, fig. 1 is a schematic structural diagram of a heating thermostat capable of automatically feeding and discharging ash of the present invention, fig. 2 is a schematic sectional structural diagram of the heating thermostat capable of automatically feeding and discharging ash of the present invention, and fig. 3 is a schematic sectional structural diagram of a crucible of the heating thermostat capable of automatically feeding and discharging ash of the present invention.
The invention provides a heating constant temperature device capable of automatically feeding and discharging samples, which comprises a furnace body 1 and a sample feeder 2, wherein a heating component 3 and a quartz sample tube 4 are arranged in the furnace body 1, the sample feeder 2 comprises a crucible 5, a ceramic column 6 and a sample feeding base 7, the crucible 5 is arranged at the top of the ceramic column 6, the ceramic column 6 is arranged in an inner cavity of the sample feeding base 7, a sample can be contained in the crucible 5, the sample feeding base 7 is arranged at the bottom of the furnace body 1, the sample feeding base 7 is connected with a first driver 8, the first driver 8 can drive the sample feeding base 7 to reciprocate along the vertical direction, the sample feeding base 7 can be abutted against the quartz sample tube 4, the ceramic column 6 is connected with a second driver 9, the second driver 9 can drive the ceramic column 6 to reciprocate along the vertical direction, and the ceramic column 6 can extend into the quartz sample; the furnace body 1 is provided with an analysis gas outlet 10 and a carrier gas inlet 11, the analysis gas outlet 10 and the carrier gas inlet 11 are both communicated with the quartz sample tube 4, a gap is arranged between the ceramic column 6 and the inner wall of the sample injection base 7 to form an ash discharge port 12, and the ash discharge port 12 is communicated with the quartz sample tube 4.
When the heating constant temperature device capable of automatically sampling and discharging ash works, the first driver 8 drives the sample injector 2 to move towards the direction far away from the furnace body 1, so that the crucible 5 is positioned at the top end of the ceramic column 6, when analysis is started, the first driver 8 drives the sample injection base 7 to move towards the furnace body 1, the sample base is abutted with the quartz sample tube 4, an external air source simultaneously introduces carrier gas into the quartz sample tube 4 through the carrier gas inlet 11 and the ash discharge port 12, the heating component 3 heats, when the temperature in the furnace body 1 is stabilized at a set target value, the second driver 9 drives the ceramic column 6 to ascend, so that a sample in the crucible 5 is sent into the quartz sample tube 4 and positioned at the central line position of the furnace body 1, heating is carried out, and the released gas to be detected and the carrier gas are sent to an instrument for detection through the analysis gas outlet 10; after the analysis of the sample is finished, the second driver 9 drives the ceramic column 6 and the crucible 5 to descend, the sample returns, an external air source blows air into the furnace body 1 through the analysis gas outlet 10 to pressurize the interior of the furnace body 1, dust is discharged from the dust discharge port 12, the first driver 8 drives the sample injector 2 to move towards the direction far away from the furnace body 1, and the sample is taken out. The ceramic column 6 is made of ceramic materials, and is high-temperature resistant and stable in structure. According to the heating constant temperature device capable of automatically sampling and discharging ash, the quartz sample tube 4 is sealed before sampling, so that negative pressure is changed into positive pressure, airflow is stable, a reference signal in a carrier gas environment is collected before sampling, and after the temperature in the furnace body 1 is stable, the sample injector 2 sends a sample into a heating area in the furnace body 1 in a sealed environment, so that signal fluctuation caused by airflow fluctuation caused by sampling in a negative pressure state in the prior art is greatly reduced, the integration efficiency of a positive pressure air path can be improved by 10 times, the signal integration peak is more perfect, and the test precision is higher.
The heating component 3 comprises an infrared heating element and a reflector, the infrared heating element is arranged between the inner wall of the furnace body 1 and the quartz sample tube 4, the reflector is arranged on the inner wall of the furnace body 1, the reflector can reflect infrared light emitted by the infrared heating element into the quartz sample tube 4, the heating efficiency is improved, the heating rate is high, the temperature can rise to more than 1000 ℃ in 1min, the curved surface shape of the reflector is determined according to actual production conditions, after multiple reflections, the infrared light is collected on a sample in the quartz sample tube 4, the required temperature is set, heated substances are enabled to be in a high-temperature state, partial atoms are escaped and decomposed, or all the substances are melted, the size of an infrared focusing heating area is huge, various materials above 200g can be heated at most once, and the heating component is suitable for various powders and solid. The temperature in the furnace body 1 is set and accurately controlled through a software program, the temperature can be instantly raised to the set temperature during heating, the temperature control precision can reach 0.1 ℃, and therefore, various temperature control modes such as step, linear or stable temperature and the like can be conveniently realized.
In the specific embodiment, the quartz sample tube 4 and the furnace body 1 are coaxially arranged, the number of the infrared heating elements is four, and the four infrared heating elements are circumferentially and uniformly distributed around the axis of the quartz sample tube 4, so that the heating efficiency and the uniformity are improved; a temperature sensor 13 is arranged on the side wall of the furnace body 1, a probe of the temperature sensor 13 is positioned between the infrared heating element and the quartz sample tube 4, and the temperature sensor 13 is arranged so as to monitor the temperature in the furnace body 1.
Specifically, but the heating constant temperature equipment of autoinjection, ash discharging still includes fixed frame 14 and fixed plate 15, furnace body 1 and first driver 8 set up on fixed frame 14, first driver 8 links to each other with fixed plate 15, injector 2 and second driver 9 set up on fixed plate 15, injector 2 slidable links to each other with fixed frame 14, ceramic post 6 slidable links to each other with fixed plate 15, fixed frame 14 and fixed plate 15 have provided the installation basis for furnace body 1 and injector 2, have improved the overall stability of device.
In addition, the number of first driver 8 is two, and two first drivers 8 set up in the relative both sides of furnace body 1, and the number of first driver 8 is two, has improved the atress homogeneity and the motion stability of fixed plate 15, and first driver 8 and second driver 9 are the cylinder, and the motion is stable, and the source is extensive.
More specifically, a burner 16 is connected to the top of the furnace body 1, and the analysis gas outlet 10 and the carrier gas inlet 11 are both disposed on the burner 16. It should be noted that a metal dust filter is arranged between the analysis gas outlet 10 and the quartz sample tube 4, and the released gas to be detected and the carrier gas pass through the metal dust filter, are discharged from the analysis gas outlet 10, and are sent to an instrument detector to be detected to obtain the content; after the analysis is finished, the pressurized back-blown carrier gas still enters from the analysis gas outlet 10, back-blown dust is discharged from the metal dust filter, dust is discharged from the dust discharge port 12, and the dust discharge port 12 can be externally connected with a dust collection box for convenient collection.
Further, cooling circulation pipes are built in the side walls of the furnace head 16 and the furnace body 1, and the cooling circulation pipes can be communicated with external cooling media. In external cooling medium lets in cooling circulation pipeline, can realize the high-speed heat dissipation of furnace body 1, avoid 1 high temperature of furnace body to damage and take place to scald, also can make 1 quick cooling of furnace body simultaneously, shorten shutdown cooling time, the discharged water still can be used to hydrothermal formula room heater after the heat dissipation, and cold junction water can be used to furnace body 1 cooling again, and is energy-concerving and environment-protective.
In order to improve the sealing performance when the sample introduction base 7 is abutted to the quartz sample tube 4, a sealing element is arranged between the sample introduction base 7 and the quartz sample tube 4, the sealing element is made of a silicon rubber material, and the service life of the sealing element is prolonged.
Furthermore, the crucible 5 is detachably connected with the ceramic column 6, and in order to improve the stability of the crucible 5 when the ceramic column 6 moves, in other embodiments of the present invention, the crucible 5 is inserted into the ceramic column 6, so as to prevent the crucible 5 from sliding off and off.
When the heating constant temperature device capable of automatically sampling and discharging ash works, the first driver 8 drives the sample injector 2 to move towards the direction far away from the furnace body 1, so that the crucible 5 is positioned at the top end of the ceramic column 6, when analysis is started, the first driver 8 drives the sample injection base 7 to move towards the furnace body 1, the sample base is abutted with the quartz sample tube 4, an external gas source simultaneously introduces carrier gas into the quartz sample tube 4 through the carrier gas inlet 11 and the ash discharge port 12, the heating component 3 heats, when the temperature in the furnace body 1 is stabilized at a set target value, the second driver 9 drives the ceramic column 6 to ascend, so that a sample in the crucible 5 is sent into the quartz sample tube 4 and positioned at the central line position of the furnace body 1, heating is carried out, and gas to be detected and the carrier gas are output through the analysis gas outlet 10; after the analysis of the sample is finished, the second driver 9 drives the ceramic column 6 and the crucible 5 to descend, the sample returns, an external air source blows air into the furnace body 1 through the analysis gas outlet 10 to pressurize the interior of the furnace body 1, dust is discharged from the dust discharge port 12, the first driver 8 drives the sample injector 2 to move towards the direction far away from the furnace body 1, and the sample is taken out. The device is also externally connected with a cooling medium, and the external cooling medium is introduced into the cooling circulating pipeline, so that the high-speed heat dissipation of the furnace body 1 can be realized, and the high-temperature damage and scalding of the furnace body 1 are avoided.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. The utility model provides a but heating constant temperature equipment of autoinjection, ash discharge which characterized in that: the sample injector comprises a furnace body and a sample injector, wherein a heating component and a quartz sample tube are arranged in the furnace body, the sample injector comprises a crucible, a ceramic column and a sample injection base, the crucible is arranged at the top of the ceramic column, the ceramic column is arranged in an inner cavity of the sample injection base, a sample can be contained in the crucible, the sample injection base is arranged at the bottom of the furnace body, the sample injection base is connected with a first driver, the first driver can drive the sample injection base to reciprocate along the vertical direction, the sample injection base can be abutted against the quartz sample tube, the ceramic column is connected with a second driver, the second driver can drive the ceramic column to reciprocate along the vertical direction, and the ceramic column can extend into the quartz sample tube; the furnace body has analysis gas export and carrier gas import, analysis gas export with the carrier gas import all with quartz sample tube is linked together, the ceramic column with have the clearance between the inner wall of advancing the appearance base and form the ash discharge mouth, the ash discharge mouth with quartz sample tube is linked together.
2. The heating thermostat device capable of automatically feeding and discharging ash according to claim 1, characterized in that: the heating assembly comprises an infrared heating element and a reflector, the infrared heating element is arranged between the inner wall of the furnace body and the quartz sample tube, the reflector is arranged on the inner wall of the furnace body, and infrared light emitted by the infrared heating element can be reflected into the quartz sample tube by the reflector.
3. The heating thermostat device capable of automatically feeding and discharging ash according to claim 2, characterized in that: the quartz sample tube and the furnace body are coaxially arranged, the number of the infrared heating elements is four, and the four infrared heating elements are uniformly distributed around the axis of the quartz sample tube in a circumferential manner; and a temperature sensor is arranged on the side wall of the furnace body, and a probe of the temperature sensor is positioned between the infrared heating element and the quartz sample tube.
4. The heating thermostat device capable of automatically feeding and discharging ash according to claim 1, characterized in that: still include fixed frame and fixed plate, the furnace body with first driver set up in on the fixed frame, first driver with the fixed plate links to each other, the sample injector with the second driver set up in on the fixed plate, sample injector slidable with the fixed frame links to each other, ceramic post slidable with the fixed plate links to each other.
5. The heating thermostat device capable of automatically feeding and discharging ash according to claim 4, characterized in that: the number of the first drivers is two, the two first drivers are arranged on two opposite sides of the furnace body, and the first drivers and the second drivers are air cylinders.
6. The heating thermostat device capable of automatically feeding and discharging ash according to claim 1, characterized in that: the top of the furnace body is connected with a furnace head, and the analysis gas outlet and the carrier gas inlet are both arranged on the furnace head.
7. The heating thermostat device capable of automatically feeding and discharging ash according to claim 6, characterized in that: the side walls of the furnace end and the furnace body are internally provided with cooling circulating pipelines which can be communicated with external cooling media.
8. The heating thermostat device capable of automatically feeding and discharging ash according to claim 1, characterized in that: and a sealing element is arranged between the sample introduction base and the quartz sample tube.
9. The heating thermostat device capable of automatically feeding and discharging ash according to claim 1, characterized in that: the crucible and the ceramic column are detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010884207.5A CN111947461A (en) | 2020-08-28 | 2020-08-28 | Heating constant temperature device capable of automatically feeding and discharging ash |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010884207.5A CN111947461A (en) | 2020-08-28 | 2020-08-28 | Heating constant temperature device capable of automatically feeding and discharging ash |
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| CN111947461A true CN111947461A (en) | 2020-11-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719613A (en) * | 2022-03-04 | 2022-07-08 | 中国科学院大连化学物理研究所 | Automatic sampling device of heating furnace |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203798760U (en) * | 2014-05-06 | 2014-08-27 | 中国科学院广州地球化学研究所 | Efficient feeding device for rock samples |
| WO2017099120A1 (en) * | 2015-12-07 | 2017-06-15 | 株式会社堀場製作所 | Analysis device |
| CN110716006A (en) * | 2018-07-11 | 2020-01-21 | 四川赛恩思仪器有限公司 | Combustion furnace for material detection |
| CN212274629U (en) * | 2020-08-28 | 2021-01-01 | 上海景瑞阳实业有限公司 | Heating constant temperature device capable of automatically feeding and discharging ash |
-
2020
- 2020-08-28 CN CN202010884207.5A patent/CN111947461A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203798760U (en) * | 2014-05-06 | 2014-08-27 | 中国科学院广州地球化学研究所 | Efficient feeding device for rock samples |
| WO2017099120A1 (en) * | 2015-12-07 | 2017-06-15 | 株式会社堀場製作所 | Analysis device |
| CN108369217A (en) * | 2015-12-07 | 2018-08-03 | 株式会社堀场制作所 | Analytical equipment |
| CN110716006A (en) * | 2018-07-11 | 2020-01-21 | 四川赛恩思仪器有限公司 | Combustion furnace for material detection |
| CN212274629U (en) * | 2020-08-28 | 2021-01-01 | 上海景瑞阳实业有限公司 | Heating constant temperature device capable of automatically feeding and discharging ash |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719613A (en) * | 2022-03-04 | 2022-07-08 | 中国科学院大连化学物理研究所 | Automatic sampling device of heating furnace |
| CN114719613B (en) * | 2022-03-04 | 2023-09-26 | 中国科学院大连化学物理研究所 | Automatic sample injection device of heating furnace |
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